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* mdct15: use existing complex multiplication macrosRostislav Pehlivanov2017-04-08
| | | | Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
* mdct15: fix left shift of a negative valueRostislav Pehlivanov2017-03-22
| | | | | | Should fix Chromium issue 704064. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
* imdct15: rename to mdct15 and add a forward transformRostislav Pehlivanov2017-02-14
Handles strides (needed for Opus transients), does pre-reindexing and folding without needing a copy. Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>